Once you've tried the innovative and award-winning Tombow MONO Zero Eraser you'll never want to be without it again. Specially designed for precise erasing, it allows you to remove mistakes without damaging the rest of your work. You'll find it invaluable when drawing, sketching or designing, but fans of crosswords and sudoku will love it too. It’s long-lasting, and can easily be replaced with refills. This is the slimmest model in the MONO Zero Eraser range, with an ultra-fine 2.3mm round tip.